1312495615798 has 16 divisors (see below), whose sum is σ = 2010789385920. Its totient is φ = 642234678976.

The previous prime is 1312495615793. The next prime is 1312495615807. The reversal of 1312495615798 is 8975165942131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312495615793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670458 + ... + 1753426.

It is an arithmetic number, because the mean of its divisors is an integer number (125674336620).

Almost surely, 2^{1312495615798} is an apocalyptic number.

1312495615798 is a deficient number, since it is larger than the sum of its proper divisors (698293770122).

1312495615798 is a wasteful number, since it uses less digits than its factorization.

1312495615798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095911.

The product of its digits is 16329600, while the sum is 61.

The spelling of 1312495615798 in words is "one trillion, three hundred twelve billion, four hundred ninety-five million, six hundred fifteen thousand, seven hundred ninety-eight".